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yuqi commented on FLINK-9259: ----------------------------- More detail are needed, you can paste more about your code [~bob365] > The implementation of the SourceFunction is not serializable. > -------------------------------------------------------------- > > Key: FLINK-9259 > URL: https://issues.apache.org/jira/browse/FLINK-9259 > Project: Flink > Issue Type: Bug > Components: DataStream API, Table API & SQL > Affects Versions: 1.5.0 > Reporter: Bob Lau > Priority: Major > > The exception stack is as follows: > {code:java} > //Code placeholder > org.apache.flink.api.common.InvalidProgramException: The implementation of > the SourceFunction is not serializable. The object probably contains or > references non serializable fields. > at org.apache.flink.api.java.ClosureCleaner.clean(ClosureCleaner.java:99) > at > org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.clean(StreamExecutionEnvironment.java:1560) > at > org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.addSource(StreamExecutionEnvironment.java:1472) > at > org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.addSource(StreamExecutionEnvironment.java:1416) > at > com.xxxx.tysc.job.source.RowDataStreamSpecifyTableSource.getDataStream(RowDataStreamSpecifyTableSource.java:40) > at > org.apache.flink.table.plan.nodes.datastream.StreamTableSourceScan.translateToPlan(StreamTableSourceScan.scala:95) > at > org.apache.flink.table.plan.nodes.datastream.DataStreamJoin.translateToPlan(DataStreamJoin.scala:135) > at > org.apache.flink.table.plan.nodes.datastream.DataStreamCalc.translateToPlan(DataStreamCalc.scala:97) > at > org.apache.flink.table.plan.nodes.datastream.DataStreamJoin.translateToPlan(DataStreamJoin.scala:135) > at > org.apache.flink.table.plan.nodes.datastream.DataStreamCalc.translateToPlan(DataStreamCalc.scala:97) > at > org.apache.flink.table.api.StreamTableEnvironment.translateToCRow(StreamTableEnvironment.scala:885) > at > org.apache.flink.table.api.StreamTableEnvironment.translate(StreamTableEnvironment.scala:812) > at > org.apache.flink.table.api.StreamTableEnvironment.translate(StreamTableEnvironment.scala:782) > at > org.apache.flink.table.api.java.StreamTableEnvironment.toAppendStream(StreamTableEnvironment.scala:308) > at > org.apache.flink.table.api.java.StreamTableEnvironment.toAppendStream(StreamTableEnvironment.scala:262) > at > com.xxxx.tysc.job.service.SubmitJobService.submitJobToLocal(SubmitJobService.java:338) > at com.xxxx.tysc.rest.JobSubmitController$3.run(JobSubmitController.java:114) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.io.NotSerializableException: > org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184) > at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) > at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) > at > org.apache.flink.util.InstantiationUtil.serializeObject(InstantiationUtil.java:447) > at org.apache.flink.api.java.ClosureCleaner.clean(ClosureCleaner.java:81) > ... 21 more > {code} > I've implement the serializable interface in the implementation of the > SourceFunction. > The code is as follows: > > {code:java} > //Code placeholder > @Override > public void run(SourceContext<Row> ctx) > throws Exception { > stream.map(new MapFunction<Row, Row>(){ > private static final long serialVersionUID = -1723722950731109198L; > @Override > public Row map(Row input) throws Exception { > ctx.collect(input); > return null; > } > }); > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)